On the 21st of August 2018 the second Camunda Meetup in Berlin took place. These are the slides of Robert Breskes (Cimt AG) talk about the challenges of dealing with data while using external workers. Link to the Meetup group: https://www.meetup.com/Camunda-User-Group-Berlin/

1. No Java, No Problem. And
Data?
121.09.2018 Robert Breske

2. Conference Check In …
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3. 3
Register for Conference Proceedings
Print Name Badge

4. Name Surname
E-Mail Company
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Register for Conference Proceedings
Print Name Badge

5. name, surname, mail, company
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{
"name": "Robert",
"surname": "Breske",
"email": "robert.breske@cimt-ag.de",
"company": "cimt ag"
} {
"fullName": "Robert Breske",
"email": "robert.breske@cimt-ag.de",
"company": "cimt ag"
}{
"attendee": {
“firstname": "Robert",
“name”: “Breske”,
"email": "robert.breske@cimt-ag.de",
"company": "cimt ag"
}
}

6. Where to deal with the mapping?
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{
"name": "Robert",
"surname": "Breske",
"email": "robert.breske@cimt-ag.de",
"company": "cimt ag"
}
Use Java Mapping Framework
to build and map objects

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{
"name": "Robert",
"surname": "Breske",
"email": "robert.breske@cimt-ag.de",
"company": "cimt ag“
“id”: 1
}
Let the object be stored
externally, and only keep the
id in the process

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{
"name": "Robert",
"surname": "Breske",
"email": "robert.breske@cimt-ag.de",
"company": "cimt ag“
}
Put all mapping effort on the
external tasks

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{
"name": "Robert",
"surname": "Breske",
"email": "robert.breske@cimt-ag.de",
"company": "cimt ag“
}
Use Input/Output Scripts to
achieve compatibility

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12. Just Don‘t No Java, „Not Really“ Script your way out of it External Mapping
Fetch the data input with
an external worker and
write to external data
source only keep a
reference in the process.
Do the mapping in Java
with any arbitrary
mapping framework or
custom code
Add scripts where
mapping is unavoidable
Do the mapping like you
handle all other external
tasks
Pros:
- lean process model - mapping complexity is
encapsulated together
with process logic
- no coupling with
additional code
(resources)
- lean process model
Cons:
- external datasource
needed which is
accessible for all workers
- complexity and coupling
between Java and process
model
- virtually unmaintainable - high coupling between
mapping and process
model
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Where to deal with the mapping?

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Just
Don‘t
No Java,
„Not
Really“
External
Mapping
Script
your way
out of it!
High Coupling
High Complexity

14. Robert Breske
software developer and consultant for cimt ag with
focus on development processes, java and process
engineering
robert.breske@cimt-ag.de
www.cimt-ag.de
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